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8T-1788 | 6.250" Caterpillar® Piston Seal - Nylon/Nitrile

Marsoni M251S
Sale price$130.51
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8T-1788 | 6.250" Caterpillar® Piston Seal - Nylon/NitrileProduct Details : 8T 1788 6. 250" Caterpillar Piston Seal Nylon Nitrile Part No: RCAT 8T1788 Caterpillar Reference No.: 8T 1788 Product Category: Piston Seals Product Type: Piston Seal Profile: CAT TYPE 3 Style: Step Cut No. Of Pieces: 2 PCS Material(s): Nylon Nitrile Material Code: Nylon NBR Temperature Range: 40F to +250F ( 40C to +121C) Pressure Range: 7000 PSI ( 483 Bar) Surface Speed: < 3. 3 ft s (1 m s) System Of Measurement: Inch Bore Diameter:
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4.3 ★★★★★
Based on 1900 reviews
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Khaleesi
Draper, US
★★★★★ 5
A lot of quality filters for little cost.
Style: 16x20x1, Style: 16x20x1
Been using these for months, great quality. No issues what so ever. I compared price to the 2 main big box stores and this is the best for your bucks. You get a lot more and they are of the same quality. I used to get mine from a big box store with military discount of 10% and this is still a better deal. They fit exactly like the filter I took out, so size is the same. I live FL and run my AC constantly. These last about 2-3 months each. They do no lose their rigidity. They are built with very high quality material. They catch a lot of dust, you can see how dirty they are when replaced. PROS - great quality and last 2-3 months in my AC running constantly - you get a lot for your money when compared to the big box stores - catch a lot of dirt, filters are really dirty after use - very rigid which makes it easy to installation - reinforced wire mesh CONS - None
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
A
Verified Purchase
Arlo
Carnegie, US
★★★★★ 5
Top quality filters at a good price.
Style: 20x30x1
These filters are good quality. They are reinforced and hold their shape. They fit perfectly in my filter holder. The thing I like is that the filters were bundled together and shipped in a sturdy box. Other filters I have ordered showed up in a flimsy box and were damaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
L
Verified Purchase
La Quinta
Lexington, US
★★★★★ 5
Excellent to have on hand
Style: 16x25x1
Excellent, time-saving purchase. Sturdy, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
T
Verified Purchase
Texas Legend
Dallas, US
★★★★★ 4
Great Fit and Noticeable Air Quality Improvement
Style: 12x24x1
I purchased the Filterbuy 12x24x1 MERV 8 air filters and have been very happy with them so far. They fit perfectly in my HVAC system without any gaps or issues during installation. After replacing my old filters, I noticed the air in my home feels cleaner and there seems to be less dust settling around the house. They do a good job of capturing everyday particles and allergens while still allowing good airflow. Overall, this is a reliable and cost-effective 4-pack of filters. Solid quality, easy to install, and a noticeable improvement in air freshness. I’ll definitely be ordering again.
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Reviewed in the United States on April 30, 2026
L
Verified Purchase
Lorraine M.
Los Angeles, US
★★★★★ 5
Reliable furnace filters at a good price point!
Style: 16x18x1
Great filters. Hard to find sizes. Sturdy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026

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